Young courtesan employed in a brothel for covert mission to break up a criminal operation counterfeiting coins, with his partner Otawa Hankichi. She is the daughter from a member of the Shogunate guard staff.
When she's discovered shortly after meeting Mugen, she tries to escape, but an oblivious Mugen insists on getting the services he paid for and kills her would-be assassins. Despite several attempts at either convincing Mugen to leave or knocking him out, she is unable to rid herself of him. As such, she uses the promise of sex to manipulate into fighting for her. They invade the brothel's basement were they murder the leader of the counterfeiting operation. Next morning knocks Mugen unconscious so she doesn't have to fulfil her promise, later she confesses to Otawa that she is in love with Mugen and intends to marry him.
She has black hair (ponytail style) that is to neck length. She is always barefoot (though has some type of sock-like covering on her feet that exposes the heel and toe areas) when in her ninja outfit.